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VetMed Resource

Veterinary information to support practice, based on evidence and continuing education

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Boophilus microplus adults and larvae were observed in chambers (aluminium rings glued to the back of the animals) on three European breed cattle which had been vaccinated against the tick and on three unvaccinated controls. The moulting of larvae on vaccinated cattle was delayed by up to 12 h but...

Kemp, D. H.; Agbede, R. I. S.; Johnston, L. A. Y.; Gough, J. M.
International Journal of Parasitology, 1986, 16, 2, pp 115-120

The economics of strategic dipping of Droughtmaster cattle in dry tropical Australia to control Boophilus microplus (Can.) were assessed using a partial budget analysis and expressed in Australian dollars at 1981 purchasing power. The analysis was based on reported experimental data that showed a...

Sing, N. C.; Johnston, L. A. Y.; Leatch, G.
Australian Veterinary Journal, 1983, 60, 2, pp 37-39

Strategic dipping and pasture spelling plus dipping were compared in Queensland with no treatment on Droughtmaster cows and their progeny over 5 years. Average monthly counts of Boophilus microplus (Can.) on the young cattle and their dams were 10 and 18, <1 and 2, and 56 and 112, for the 3 treatments, respectively. There was stable transmission of Babesia bovis, B. bigemina and Anaplasma marginale to the progeny from the untreated cows. Strategic dipping, and pasture spelling plus dipping, seriously disrupted the transmission of B. bovis, and vaccination against this parasite is recommended. Pasture spelling plus dipping also interfered with the transmission of A. marginale and B. bigemina, but vaccination against A. marginale only is warranted. At 27-29 months of age, the young cattle in the strategic dipping group had...

Johnston, L. A. Y.; Haydock, K. P.; Leatch, G.
Australian Agricultural Council, Melbourne, Australia
Australian Journal of Experimental Agriculture and Animal Husbandry, 21, 110, pp 256-267

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